ADIPEC 2026German Exhibitors LESER GmbH & Co. KG

LESER GmbH & Co. KG

Booth number: 16190
www.leser.com

About us

With more than 1,200 employees and 150,000 safety valves produced per year, LESER is the largest manufacturer of safety valves in Europe and one of the leading companies in its industry worldwide.

LESER offers spring loaded and pilot operated safety valves for all industrial applications according to the Pressure Equipment Directive and ASME XIII. Major companies in the chemical, oil and gas, petrochemical, energy, technical gases, LNG/LPG, pharmaceutical, food and beverage, shipbuilding and heating and air conditioning industries use LESER safety valves.

LESER safety valves are developed for the international market in Hamburg and manufactured in the modern plant in Hohenwestedt /Germany. In addition, LESER produces safety valves to the same standards in India and China for the local markets. Nine subsidiaries and offices in Europe, America, the Middle East and Asia as well as authorized contacts in over 80 countries guarantee competent customer advice and fast, reliable deliveries.

Address

LESER GmbH & Co. KG
Wendenstr. 133
20537 Hamburg
Germany

E-mail: sales@leser.com
Phone: +49 40 25165100
Internet: www.leser.com

LESER U.A.E.
Jebel Ali Free Zone, Jafza Office Lb-03108
263762 Dubai
United Arab Emirates

E-mail: rahul.r@leser.com
Phone: +971 563 903191
Internet: www.leser.com

Contact person:

Rahul Raj
E-mail: rahul.r@leser.com

Products & Services

Safety, Environmental Protection and Regulatory Services

Valves

Compact Performance - Safety Valves with compact dimension and variable connections

Flanged and threaded valves with a flexible range of options to suit your application
Bellows version available
Set pressures up to 1.000 bar / 14,504 psig

High Performance - Safety Valves for all industrial applications

The standard Safety Valve for chemical plants in Europe
Easy maintenance
High performance in relation to the nominal size
Nominal inlet diameters from DN 20 / NPS ¾ to DN 400 / 16 with wide range of options
Good price-performance ratio

API - Safety Valves according to API 526 with standardized capacities, installation dimensions and materials

Standardized design and selection according to API 520
Wide range of high-alloy materials available in standard delivery times
Longer service life due to hardened discs, stellited seats and shielded bellows
LESER Nanotightness exceeds API 527 tightness requirements by 50%

High Efficiency - Solutions for high plant efficiency

Pilot-operated Safety Valves
Spring-loaded Safety Valves with supplementary loading system
Adaptation of the functional behavior to the operating conditions possible
Tight up to set pressure
Operating pressures up to 97% of set pressure
Backpressures up to 95% of set pressure
Low loss of medium during blow-off process

Critical Service - Safety Valves with PTFE lining for corrosive media

Wetted areas made of corrosion-resistant PTFE
Cost-effective alternative to high-alloy materials, such as nickel-based alloys
Optional ATEX compliant lining prevents electrostatic charge

Clean Service - Safety Valves for food, beverage, and pharmaceutical applications

Efficient cleaning due to low dead space ratio, gap-free design of internal parts, surface qualities up to Ra max = 0.375 µm
Cleaning (CIP) or sterilization (SIP) possible in the process
Compliant with market-relevant guidelines such as FDA, USP VI and EU directives
Suitable selection of aseptic connections for your plant

Modulate Action - Safety Valves primarily for liquid applications

Identical inlet and outlet connections
Low loss of medium when opening
Ideal for thermal expansion
Backpressure resistance up to 40 bar / 580.15 psig

Best Availability - Solutions for high plant availability

Change-over Valve / Safety Valve combination
Safety Valve / rupture disc combination
Flow-optimized designs for minimum inlet pressure drop
Delivery times synchronized with the Safety Valves
Certified combinations from a single source